[This API is now part of Google. Meebo's products no longer exist. This profile is being maintained purely for historical and research purposes.]
From their site: meebo.com is a website for instant messaging from absolutely anywhere. Whether youï¿½re at home, on campus, at work, or traveling foreign lands, hop over to meebo.com on any computer to access all of your buddies (on AIM, Yahoo!, MSN, Google Talk, ICQ and Jabber) and chat with them, no downloads or installs required.